''Calyptronoma'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

in the palm family, native to the

Greater Antilles The Greater Antilles is a grouping of the larger islands in the Caribbean Sea, including Cuba, Hispaniola, Puerto Rico, and Jamaica, together with Navassa Island and the Cayman Islands. Seven island states share the region of the Greater Antille ...

. They have pinnately

compound Compound may refer to: Architecture and built environments * Compound (enclosure), a cluster of buildings having a shared purpose, usually inside a fence or wall ** Compound (fortification), a version of the above fortified with defensive struc ...

leaves with short petioles. The name was coined by

August Grisebach August Heinrich Rudolf Grisebach (; 17 April 18149 May 1879) was a German botanist and phytogeographer. Biography Grisebach studied at the Lyceum in Hanover, the cloister-school at Ilfeld, and the University of Göttingen. He graduated in me ...

who first described the genus in his 1846 ''Flora of the British West Indian Islands''.''Flora of the British West Indian Islands''
There are three

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

in the genus. *'' Calyptronoma occidentalis'' —

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Jamaica Jamaica is an island country in the Caribbean Sea and the West Indies. At , it is the third-largest island—after Cuba and Hispaniola—of the Greater Antilles and the Caribbean. Jamaica lies about south of Cuba, west of Hispaniola (the is ...

*'' Calyptronoma plumeriana'' —

Cuba Cuba, officially the Republic of Cuba, is an island country, comprising the island of Cuba (largest island), Isla de la Juventud, and List of islands of Cuba, 4,195 islands, islets and cays surrounding the main island. It is located where the ...

and

Hispaniola Hispaniola (, also ) is an island between Geography of Cuba, Cuba and Geography of Puerto Rico, Puerto Rico in the Greater Antilles of the Caribbean. Hispaniola is the most populous island in the West Indies, and the second-largest by List of C ...

*''

Calyptronoma rivalis ''Calyptronoma rivalis'' is a pinnately Leaf#Divisions of the lamina (blade), compound leaved Arecaceae, palm species that is native to the Caribbean islands of Hispaniola (in both Haiti and the Dominican Republic) and Puerto Rico. Its common nam ...

'' — Hispaniola and

Puerto Rico ; abbreviated PR), officially the Commonwealth of Puerto Rico, is a Government of Puerto Rico, self-governing Caribbean Geography of Puerto Rico, archipelago and island organized as an Territories of the United States, unincorporated territo ...

References

* * George Proctor. 2005. Arecaceae (Palmae). Pp. 135–153 ''in'' Pedro Acevedo-Rodriguez and Mark T. Strong. Monocots and Gymnosperms of Puerto Rico and the Virgin Islands. ''Contributions from the United States National Herbarium'' Volume 52. Arecaceae genera Taxa named by August Grisebach {{palm-stub